Dell Connectrix (Brocade) — Connectrix (Brocade) san switch
Keep it in production past the OEM cutoff with an independent maintainer.
Buy spares now, while units still circulate on the secondary market.
It is unsupported today — set a migration timeline and budget.
Low-criticality role — document the risk, harden backups, retire on your terms.
No. Dell's last date of support for PB48K-AP4-18U was Apr 2016 (per the Dell End-of-Life list) — it is past end of service life.
PB48K-AP4-18U reached end of sale Apr 2011, per the Dell End-of-Life list.
Apr 2016 — per the Dell End-of-Life list.
After the last date of support, PB48K-AP4-18U units can often be kept in production through third-party maintenance providers. Dell no longer issues software fixes, support, or hardware replacement for it.